freehand [ˈfriˌhænd]

例句:

• Use a template or stencil or simply do it freehand.
  使用样板或模版，或者干脆徒手画。
  
• I can't draw very well freehand.
  我徒手画画得不很好.
  
• It was a freehand sketch.
  那是一张手画的图样.
  
• Leonardo was famous for being able to draw a perfect circle freehand.
  来自SA
• Around noon, henna artists find a moment of calm to plonk down stools and draw intricate temporary tattoos freehand.
  来自BBC